Police stop vehicle for marked lanes violations. Driver is underage with several passengers between 18-21. Officer notes strong odor of recently burnt marijuana. Driver admits he and passengers were “hot boxing” joint just before stop. Smoking joint with windows up. Young driver does remarkably well on field sobriety tests and post arrest Drug Recognition Evaluation (DRE) screen, as depicted on booking video. Defense prepared to challenge whether opinion of marijuana impairment and DRE evaluation are admissible. OUI Drugs charge dismissed prior to trial.